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Electrothermal atomic absorption spectrometric determination of aluminum: elimination of serum matrix effects
1University of North Carolina, School of Medicine, Department of Medicine, Chapel Hill 27599.
Clinical Chemistry
|July 1, 1989
Abstract:
An improved electrothermal atomic absorption spectrometric method for determination of aluminum in serum is described. An ammonium hydroxide/sulfuric acid diluent is used to control matrix effects from serum constituents. Because serum produces no apparent matrix effects with this diluent, one can accurately calibrate the procedure with aqueous standards.